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✏️ Editing: premade-blocks.js

jQuery(document).ready(function( $ ) {
	"use strict";

// Run Macy
	var macy = Macy({
		container: $('.wpr-tplib-template-gird-inner')[0],
		waitForImages: true,
		margin: 30,
		columns: 5,
		breakAt: {
			1370: 4,
			940: 3,
			520: 2,
			400: 1
		}
	});

setTimeout(function(){
		macy.recalculate(true);
	}, 300 );

setTimeout(function(){
		macy.recalculate(true);
	}, 600 );

$(window).on('resize', function(){
		macy.recalculate(true);
	});

// Filters
	$('.wpr-tplib-filters').on('click', function(){
		if ( '0' == $('.wpr-tplib-filters-list').css('opacity') ) {
			$('.wpr-tplib-filters-list').css({
				'opacity' : '1',
				'visibility' : 'visible'
			});
		} else {
			$('.wpr-tplib-filters-list').css({
				'opacity' : '0',
				'visibility' : 'hidden'
			});
		}
	});

$('body').on('click', function(){
		if ( '1' == $('.wpr-tplib-filters-list').css('opacity') ) {
			$('.wpr-tplib-filters-list').css({
				'opacity' : '0',
				'visibility' : 'hidden'
			});
		}
	});

$( '.wpr-tplib-filters-list ul li' ).on( 'click', function() {
		var current = $(this).attr( 'data-filter' );

// Show/Hide
		if ( 'all' === current ) {
			$( '.wpr-tplib-template' ).parent().show();
		} else {
			$( '.wpr-tplib-template' ).parent().hide();
			$( '.wpr-tplib-template[data-filter="'+ current +'"]' ).parent().fadeIn(500);
		}

$('.wpr-tplib-filters h3 span').attr('data-filter', current).text($(this).text());

// Fix Grid
		macy.recalculate(true);

setTimeout(function() {
			macy.recalculate(true);
		}, 500);
	});

$('.wpr-tplib-filters').after('<a href="https://www.youtube.com/watch?v=sTpPq0Kal9I" class="wpr-premade-blocks-tutorial" target="_blank">How to use Premade Blocks <span class="dashicons dashicons-video-alt3"></span></a>');

// Preview Links and Referrals
	$('.wpr-tplib-template-media').on( 'click', function() {
		var module = $(this).parent().attr('data-filter'),
			template = $(this).parent().attr('data-slug'),
			previewUrl = 'https://royal-elementor-addons.com/premade-styles/'+ $(this).parent().attr('data-preview-url'),
			proRefferal = '';

if ( $(this).closest('.wpr-tplib-pro-wrap').length ) {
			proRefferal = '-pro';
		}

window.open(previewUrl +'?ref=rea-plugin-backend-premade-blocks'+ proRefferal, '_blank');
	});

$('.wpr-tplib-insert-pro').on( 'click', function() {
		var module = $(this).closest('.wpr-tplib-template').attr('data-filter');
		window.open('https://royal-elementor-addons.com/?ref=rea-plugin-backend-premade-blocks-'+ module +'-upgrade-pro#purchasepro', '_blank');
	});

var lazyImages = $('img.lazy');
		
	if ("IntersectionObserver" in window) {
		var lazyImageObserver = new IntersectionObserver(function(entries, observer) {
			entries.forEach(function(entry) {
				if (entry.isIntersecting) {
					var lazyImage = $(entry.target);
					lazyImage.attr('src', lazyImage.data('src'));
					lazyImage.removeClass('lazy');
					lazyImageObserver.unobserve(entry.target);

$(window).trigger('resize');
				}
			});
		});

lazyImages.each(function() {
			lazyImageObserver.observe(this);
		});
	} else {
		// Fallback for browsers that do not support IntersectionObserver
		var lazyLoadThrottleTimeout;
		function lazyLoad() {
			if (lazyLoadThrottleTimeout) {
				clearTimeout(lazyLoadThrottleTimeout);
			}

lazyLoadThrottleTimeout = setTimeout(function() {
				var scrollTop = $(window).scrollTop();
				lazyImages.each(function() {
					var img = $(this);
					if (img.offset().top < (window.innerHeight + scrollTop)) {
						img.attr('src', img.data('src'));
						img.removeClass('lazy');

$(window).trigger('resize');
					}
				});
				if (lazyImages.length == 0) {
					$(document).off("scroll", lazyLoad);
					$(window).off("resize", lazyLoad);
					$(window).off("orientationChange", lazyLoad);
				}
			}, 20);
		}

$(document).on("scroll", lazyLoad);
		$(window).on("resize", lazyLoad);
		$(window).on("orientationChange", lazyLoad);
		$(window).trigger('resize');
	}

}); // end dom ready